3 years ago

Is 25 cars in 5 days; 60 cars in 12 days a proportion. Explain

Mathematics

1 answer:

Irina-Kira [14]3 years ago

4 0

Yes because it fits the rule of 5 cars a day so 5 cars for 5 days is 25 and 5 cars for 12 days is 5*12= 60

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Alecsey [184]

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2 years ago

Find the area of a triangle with a =33, b =51, and c =42.

PolarNik [594]

Answer:

d. 690.1 units²

Step-by-step explanation:

1. You can use the Heron's formula to calculate the area of the triangle, which is:

$K=\sqrt{s(s-a)(s-b)(s-c)}$

Where:

$s=\frac{a+b+c}{2}$

2. Calculate $s$ :

$s=\frac{33+51+42}{2}\\s=63$

3. Substitute values into the formula shown above and calculate the area, as following:

$K=\sqrt{63(63-33)(63-51)(63-42)}\\K=690.1units^{2}$

4. Therefore, the area is 690.1 units².

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2 years ago

A paint can has a radius of 4 inches and a height of 15 inches. What is the volume of the paint can? Round to the nearest tenth.

Hunter-Best [27]

Answer:

753.6

Step-by-step explanation:

3.14x4²x15

$\pi$ r^2x15

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3 years ago

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Ainat [17]

F + 0.3 < 1.7

Subtract 0.3 on both sides

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2 years ago

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natka813 [3]

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3 years ago

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